Oxathiapiprolin
Oxathiapiprolin is a fungicide. In the United States, the United [States Environmental Protection Agency|Environmental Protection Agency] has approved it for use against several plant diseases including downy mildew and various Phytophthora species including late blight on crops including vegetables, ornamentals, and turf.
Its mechanism of action involves binding to the oxysterol-binding protein in Oomycetes.